:: (a -> b) -> [a] -> [b] -package:comonad -package:base -package:incipit-base -package:generic-deriving -package:ghc -package:base-prelude -package:foundation -package:adjunctions -package:semigroupoids package:deepseq -is:exact

(<$!!>) :: (Monad m, NFData b) => (a -> b) -> m a -> m b
deepseq Control.DeepSeq
Deeply strict version of <$>.